package com.itheima.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.itheima.constat.MessageConstant;
import com.itheima.entity.Result;
import com.itheima.service.MemberService;
import com.itheima.service.ReportService;
import com.itheima.service.SetmealService;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * @authou: fu
 * @date:Created in 2019/12/10
 * @description:
 * @version:1.0
 */
@RestController
@RequestMapping("/report")
public class ReportController {
    @Reference
    private MemberService memberService;

    @Reference
    private SetmealService setmealService;

    @Reference
    private ReportService reportService;


    @RequestMapping("/getMemberReport")
    public Result getMemberReport(){
        Map map = new HashMap();
        List<String> months = new ArrayList<>();
        Calendar calendar = Calendar.getInstance();
        calendar.add(Calendar.MONTH,-12);
        for (int i = 0; i < 12; i++) {
            calendar.add(Calendar.MONTH,1);
            months.add(new SimpleDateFormat("yyyy.MM").format(calendar.getTime()));
        }
        map.put("months",months);


        List<Integer> memberCount = memberService.findMemberCountByMonths(months);

        map.put("memberCount",memberCount);

        return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS,map);
    }

    @RequestMapping("/getSetmealReport")
    public Result getSetmealReport(){

        List<Map<String,Object>> setmealCount = setmealService.findSetmealCount();

        Map<String,Object> map = new HashMap<>();
        map.put("setmealCount",setmealCount);

        List<String> setmealNames = new ArrayList<>();
        for (Map<String, Object> map1 : setmealCount) {
            String  name = (String) map1.get("name");
            setmealNames.add(name);
        }

        map.put("setmealNames",setmealNames);


        return new Result(true,MessageConstant.GET_ORDERSETTING_SUCCESS,map);
    }

    @RequestMapping("/getBusinessReportData")
    public Result getBusinessReportData(){
        try{

           Map<String,Object> map = reportService.findReport();

        return new Result(true,MessageConstant.GET_BUSINESS_REPORT_SUCCESS,map);
        }catch(Exception e){
            e.printStackTrace();
            return new Result(true,MessageConstant.GET_BUSINESS_REPORT_SUCCESS);
        }

    }

    @RequestMapping("/exportBusinessReport")
    public Result exportBusinessReport(HttpServletRequest request, HttpServletResponse response){
        try{
            Map<String, Object> result = reportService.findReport();

            //取出返回结果数据，准备将报表数据写入到Excel文件中
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            //获得Excel模板文件绝对路径
            String temlateRealPath =
                    request.getSession().getServletContext().getRealPath("template")+ File.separator + "report_template.xlsx";

            //读取模板文件创建Excel表格对象
            XSSFWorkbook workbook = new XSSFWorkbook(new FileInputStream(new File(temlateRealPath)));
            //获取工作表
            XSSFSheet sheet = workbook.getSheetAt(0);
            XSSFRow row = sheet.getRow(2);
            row.getCell(5).setCellValue(reportDate);//日期

            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数

            int rowNum = 12;
            for(Map map : hotSetmeal){//热门套餐
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNum ++);
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比
            }

            //通过输出流进行文件下载
            ServletOutputStream outputStream = response.getOutputStream();
            response.setContentType("application/vnd.ms-excel");
            response.setHeader("content-Disposition", "attachment;filename=report.xlsx");
            workbook.write(outputStream);

            outputStream.flush();
            outputStream.close();
            workbook.close();

        }catch(Exception e){
            e.printStackTrace();
        }
        return null;
    }
    @RequestMapping("/getMemberSexReport")
    public Result getMemberSexReport(){
        List<Map<String, Object>> memberSexCount = memberService.findMemberBySex();
        List memberSexNames = new ArrayList();
        memberSexNames.add("男");
        memberSexNames.add("女");
        Map<String,List> data = new HashMap();
        data.put("memberSexCount",memberSexCount);
        data.put("memberSexNames",memberSexNames);
        return new Result(true,MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS,data);
    }

    @RequestMapping("/getMemberByAgeReport")
    public Result getMemberByAgeReport() {
        List<Map<String, Object>> MemberAgeScopeCount = null;
        List<String> MemberAgeScope = null;
        try {
            MemberAgeScopeCount = memberService.findMemberByAge();
            MemberAgeScope = new ArrayList<>();
            for (Map<String, Object> map : MemberAgeScopeCount) {
                String name = (String) map.get("name");
                MemberAgeScope.add(name);
            }
        }catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_MEMBER_NUMBER_REPORT_FAIL);
        }
        Map data = new HashMap();
        data.put("MemberAgeScopeCount", MemberAgeScopeCount);
        data.put("MemberAgeScope", MemberAgeScope);
        return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS, data);

    }
}
